Finding the Fourth Proportional to 10,359.76, 15,536.40 and 3,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.76 : 15,536.40 = 3,784.72 : x
2. Step 2: Convert to fraction form
   10,359.76/15,536.40 = 3,784.72/x
3. Step 3: Cross multiply
   10,359.76x = 15,536.40 × 3,784.72
4. Step 4: Simplify right side
   10,359.76x = 58,800,923.81
5. Step 5: Solve for x
   x = 58,800,923.81/10,359.76
6. Step 6: Final answer
   x = 5,675.90